Sinuses are interconnected, hollow spaces located in the skull that connect to the nasal passages. They help filter the air we breathe and act as another level of immune defense. Sinuses are lined ...
Many cases of a runny nose are caused by a cold and resolve on their own in a few days. But if you have chronic sinusitis, you may find your drippy nose and congestion lasts for months — or years.
Clifford B. Walker, M.D. Select the format you want to export the citation of this publication.